Home / 353,130.60-529,004.70-212,471.40

Finding the Fourth Proportional to 353,130.60, 529,004.70 and 212,471.40

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Solution

The fourth proportional to 353,130.60, 529,004.70 and 212,471.40 is: 318,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,130.60 : 529,004.70 = 212,471.40 : x
  2. Step 2: Convert to fraction form
    353,130.60/529,004.70 = 212,471.40/x
  3. Step 3: Cross multiply
    353,130.60x = 529,004.70 × 212,471.40
  4. Step 4: Simplify right side
    353,130.60x = 112,398,369,215.58
  5. Step 5: Solve for x
    x = 112,398,369,215.58/353,130.60
  6. Step 6: Final answer
    x = 318,291.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.